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Why Do Humans Have Menopause?

The human body is full of mysteries, but we can start to solve those mysteries with help from science and the bodies of grandma whales.

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Sources:
https://www.theguardian.com/society/2015/dec/15/what-science-doesnt-know-about-the-menopause-what-its-for-how-to-treat-it
https://www.youtube.com/watch?v=RFDatCchpus
http://www.nytimes.com/2013/02/01/booming/womens-eggs-diminish-with-age.html
http://www.sciencedirect.com/science/article/pii/S1472648310613041
http://www.nhs.uk/news/2009/06June/Pages/WarningToOlderMothers.aspx
https://academic.oup.com/edrv/article/30/5/465/2355057/Ovarian-Aging-Mechanisms-and-Clinical-Consequences
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3433273/
https://www.ncbi.nlm.nih.gov/pubmed/7925746
http://rspb.royalsocietypublishing.org/content/274/1628/2943
https://www.researchgate.net/blog/post/why-do-killer-whales-go-through-menopause
https://www.theatlantic.com/science/archive/2017/01/why-do-killer-whales-go-through-menopause/512783/
http://phenomena.nationalgeographic.com/2015/03/05/why-killer-whales-go-through-menopause-but-elephants-dont/

Images:
https://en.wikipedia.org/wiki/Killer_whale#/media/File:Killerwhales_jumping.jpg
https://commons.wikimedia.org/wiki/File:Short-finned_Pilot_Whale_(Globicephala_macrorhynchus)_(8604841637).jpg
https://commons.wikimedia.org/wiki/File:Short-finned_Pilot_Whale_4.jpg
https://en.wikipedia.org/wiki/Elephant#/media/File:Elephants_at_Amboseli_national_park_against_Mount_Kilimanjaro.jpg
https://en.wikipedia.org/wiki/Killer_whale#/media/File:Orca_pod_southern_residents.jpg
thinkstock.com

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